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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 120 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B2750 >> Conditions for Running the DTC

Conditions for Running the DTC

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

The BCM monitors the voltage level on the horn relay control circuit whenever the ignition is in the RUN position.